<?xml version="1.0"?>

<!-- This Source Code Form is subject to the terms of the Mozilla Public
   - License, v. 2.0. If a copy of the MPL was not distributed with this
   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->

<?xml-stylesheet href="chrome://global/skin" type="text/css"?>

<window id="364461Test"
        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
        width="600"
        height="600"
        onload="onLoad();"
        title="364461 test">

  <script type="application/javascript"><![CDATA[

    const LISTEN_EVENTS = ["load", "unload", "pageshow", "pagehide"];

    var gBrowser;
    var gTestsIterator;
    var gExpected = [];

    function ok(condition, message) {
      window.opener.wrappedJSObject.SimpleTest.ok(condition, message);
    }
    function is(a, b, message) {
      window.opener.wrappedJSObject.SimpleTest.is(a, b, message);
    }
    function finish() {
      for (let eventType of LISTEN_EVENTS) {
        gBrowser.removeEventListener(eventType, eventListener, true);
      }
    
      window.close();
      window.opener.wrappedJSObject.SimpleTest.finish();
    }

    function onLoad() {
      gBrowser = document.getElementById("content");

      for (let eventType of LISTEN_EVENTS) {
        gBrowser.addEventListener(eventType, eventListener, true);
      }
      
      gTestsIterator = testsIterator();
      nextTest();
    }

    function eventListener(event) {
      ok(gExpected.length >= 1, "Unexpected event " + event.type);
      if (gExpected.length == 0) {
        // in case of unexpected event, try to continue anyway
        setTimeout(nextTest, 0);
        return;
      }

      var exp = gExpected.shift();
      is(event.type, exp.type, "Invalid event received");
      if (typeof(exp.persisted) != "undefined") {
        is(event.persisted, exp.persisted, "Invalid persisted state");
      }
      if (exp.title) {
        ok(event.originalTarget instanceof HTMLDocument,
           "originalTarget not a HTMLDocument");
        is(event.originalTarget.title, exp.title, "titles don't match");
      }

      if (gExpected.length == 0) {
        setTimeout(nextTest, 0);
      }
    }

    function nextTest() {
      try {
        gTestsIterator.next();
      } catch (err if err instanceof StopIteration) {
        finish();
      }
    }

    function testsIterator() {

      // Tests 1 + 2:
      //  Back/forward between two simple documents. Bfcache will be used.

      var test1Doc = "data:text/html,<html><head><title>test1</title></head>" +
                     "<body>test1</body></html>";

      gExpected = [{type: "pagehide", persisted: true},

                   {type: "load", title: "test1"},
                   {type: "pageshow", title: "test1", persisted: false}];
      gBrowser.loadURI(test1Doc);
      yield undefined;

      var test2Doc = "data:text/html,<html><head><title>test2</title></head>" +
                     "<body>test2</body></html>";

      gExpected = [{type: "pagehide", title: "test1", persisted: true},
                   {type: "load", title: "test2"},
                   {type: "pageshow", title: "test2", persisted: false}];
      gBrowser.loadURI(test2Doc);
      yield undefined;

      gExpected = [{type: "pagehide", title: "test2", persisted: true},
                   {type: "pageshow", title: "test1", persisted: true}];
      gBrowser.goBack();
      yield undefined;
      
      gExpected = [{type: "pagehide", title: "test1", persisted: true},
                   {type: "pageshow", title: "test2", persisted: true}];
      gBrowser.goForward();
      yield undefined;

      // Tests 3 + 4:
      //  Back/forward between a two-level deep iframed document and a simple
      //  document. Bfcache will be used and events should be dispatched to
      //  all frames.

      var test3Doc = "data:text/html,<html><head><title>test3</title>" +
                      "</head><body>" +
                      "<iframe src='data:text/html," +
                        "<html><head><title>test3-nested1</title></head>" +
                        "<body>test3-nested1" +
                          "<iframe src=\"data:text/html," +
                            "<html><head><title>test3-nested2</title></head>" +
                            "<body>test3-nested2</body></html>\">" +
                          "</iframe>" +
                        "</body></html>'>" +
                      "</iframe>" +
                    "</body></html>";

      gExpected = [{type: "pagehide", title: "test2", persisted: true},
                   {type: "load", title: "test3-nested2"},
                   {type: "pageshow", title: "test3-nested2", persisted: false},
                   {type: "load", title: "test3-nested1"},
                   {type: "pageshow", title: "test3-nested1", persisted: false},
                   {type: "load", title: "test3"},
                   {type: "pageshow", title: "test3", persisted: false}];
      gBrowser.loadURI(test3Doc);
      yield undefined;

      var test4Doc = "data:text/html,<html><head><title>test4</title></head>" +
                     "<body>test4</body></html>";

      gExpected = [{type: "pagehide", title: "test3", persisted: true},
                   {type: "pagehide", title: "test3-nested1", persisted: true},
                   {type: "pagehide", title: "test3-nested2", persisted: true},
                   {type: "load", title: "test4"},
                   {type: "pageshow", title: "test4", persisted: false}];
      gBrowser.loadURI(test4Doc);
      yield undefined;

      gExpected = [{type: "pagehide", title: "test4", persisted: true},
                   {type: "pageshow", title: "test3-nested2", persisted: true},
                   {type: "pageshow", title: "test3-nested1", persisted: true},
                   {type: "pageshow", title: "test3", persisted: true}];
      gBrowser.goBack();
      yield undefined;

      // This is where the two nested pagehide are not dispatched in bug 364461
      gExpected = [{type: "pagehide", title: "test3", persisted: true},
                   {type: "pagehide", title: "test3-nested1", persisted: true},
                   {type: "pagehide", title: "test3-nested2", persisted: true},
                   {type: "pageshow", title: "test4", persisted: true}];
      gBrowser.goForward();
      yield undefined;

      // Tests 5 + 6:
      //  Back/forward between a document containing an unload handler and a
      //  a simple document. Bfcache won't be used for the first one (see
      //  http://developer.mozilla.org/en/docs/Using_Firefox_1.5_caching).
      
      var test5Doc = "data:text/html,<html><head><title>test5</title></head>" +
                     "<body onunload='while(false) { /* nop */ }'>" +
                     "test5</body></html>";

      gExpected = [{type: "pagehide", title: "test4", persisted: true},
                   {type: "load", title: "test5"},
                   {type: "pageshow", title: "test5", persisted: false}];
      gBrowser.loadURI(test5Doc);
      yield undefined;

      var test6Doc = "data:text/html,<html><head><title>test6</title></head>" +
                     "<body>test6</body></html>";

      gExpected = [{type: "pagehide", title: "test5", persisted: false},
                   {type: "unload", title: "test5"},
                   {type: "load", title: "test6"},
                   {type: "pageshow", title: "test6", persisted: false}];
      gBrowser.loadURI(test6Doc);
      yield undefined;

      gExpected = [{type: "pagehide", title: "test6", persisted: true},
                   {type: "load", title: "test5"},
                   {type: "pageshow", title: "test5", persisted: false}];
      gBrowser.goBack();
      yield undefined;
      
      gExpected = [{type: "pagehide", title: "test5", persisted: false},
                   {type: "unload", title: "test5"},
                   {type: "pageshow", title: "test6", persisted: true}];
      gBrowser.goForward();
      yield undefined;

      // Test 7:
      //  Testcase from https://bugzilla.mozilla.org/show_bug.cgi?id=384977#c10
      //  Check that navigation is not blocked after a document is restored
      //  from bfcache
      
      var test7Doc = "data:text/html,<html><head><title>test7</title>" +
                      "</head><body>" +
                      "<iframe src='data:text/html," +
                        "<html><head><title>test7-nested1</title></head>" +
                        "<body>test7-nested1<br/>" +
                        "<a href=\"data:text/plain,aaa\" target=\"_top\">" +
                          "Click me, hit back, click me again</a>" +
                        "</body></html>'>" +
                      "</iframe>" +
                    "</body></html>";
      
      gExpected = [{type: "pagehide", title: "test6", persisted: true},
                   {type: "load", title: "test7-nested1"},
                   {type: "pageshow", title: "test7-nested1", persisted: false},
                   {type: "load", title: "test7"},
                   {type: "pageshow", title: "test7", persisted: false}];
      gBrowser.loadURI(test7Doc);
      yield undefined;

      // Simulates a click on the link inside the iframe
      function clickIframeLink() {
        var iframe = gBrowser.contentDocument.getElementsByTagName("iframe")[0];
        var w = iframe.contentWindow;
        var d = iframe.contentDocument;
        
        var evt = d.createEvent("MouseEvents");
        evt.initMouseEvent("click", true, true, w,
                           0, 0, 0, 0, 0, false, false, false, false, 0, null);
        d.getElementsByTagName("a")[0].dispatchEvent(evt);
      }

      gExpected = [{type: "pagehide", title: "test7", persisted: true},
                   {type: "pagehide", title: "test7-nested1", persisted: true},
                   {type: "load"},
                   {type: "pageshow", persisted: false}];
      clickIframeLink();
      yield undefined;
      
      is(gBrowser.currentURI.spec, "data:text/plain,aaa",
         "Navigation is blocked when clicking link");
      
      gExpected = [{type: "pagehide", persisted: true},
                   {type: "pageshow", title: "test7-nested1", persisted: true},
                   {type: "pageshow", title: "test7", persisted: true}];
      gBrowser.goBack();
      yield undefined;
      
      gExpected = [{type: "pagehide", title: "test7", persisted: true},
                   {type: "pagehide", title: "test7-nested1", persisted: true},
                   {type: "load"},
                   {type: "pageshow", persisted: false}];
      clickIframeLink();
      yield undefined;
      
      is(gBrowser.currentURI.spec, "data:text/plain,aaa",
         "Navigation is blocked when clicking link");

      // nextTest has to be called from here, as no events are fired in this
      // step
      setTimeout(nextTest, 0);
      yield undefined;
    }
  ]]></script>

  <browser type="content-primary" flex="1" id="content" src="about:blank"/>
</window>
